Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 338
ht(lowest dial) to left, each reading of the dial at theleft being used as a check on the reading of the dialat the left. The following examples will make clearthe manner of reading meters: In Figure 198 the right hand pointer registers9/10ths of 1000 watt hours or 900 watt hours; the 336 Operating… … 10.000.000 1.000 Figure 198 also registers 8; as the middle pointer has not passedthe 0, the 4th dial must be read 1; the last dial also
Electrical engineering · Electric testing
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